JP3230276B2 - Module type surveillance camera - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surveillance camera.

[0002]

2. Description of the Related Art Surveillance cameras (CCTV, closed circuit television)
Are used for various purposes such as the purpose of security monitoring, the purpose of security management in places where many people gather such as stations, and the purpose of user management in the service industry such as hotels.

Conventionally, as shown in FIG. 3, a surveillance camera 31 has a design 31a of an industrial CCD camera as it is, or a camera having a cylindrical or dome shape (not shown). Is mounted on a ceiling, a wall, or the like with the support rod 31b to perform the purpose management.

As shown in FIG. 3, when monitoring all angles at the center of the ceiling of a room or the like, the four monitoring cameras 31 having the above-described configuration are assembled and arranged in a circumferential shape. It was set up and arranged.

[0005]

Therefore, since the four surveillance cameras having the above-mentioned structure are assembled and mounted at one place, there is a problem that the overall appearance is complicated and the appearance is poor.

It is an object of the present invention to provide a module-type surveillance camera capable of exhibiting an excellent design when a plurality of surveillance cameras are collectively arranged.

Another object of the present invention is to provide a module type surveillance camera which can be installed at various positions by changing the number of surveillance cameras.

[0008]

In order to achieve the above object, a module type surveillance camera according to the present invention has an outer shape formed on a bottom surface of a substantially right triangle and a line extending perpendicularly to the bottom surface from a right angle of the bottom surface. A housing having a three-dimensional shape having three surfaces connecting the top and bottom sides, and a window provided on a surface connecting the side facing the right-angled portion of the bottom surface of the housing and the top. And a lens and an image sensor provided inside the housing.

It is preferable that smoke is formed in the window.

[0010]

[Function] When monitoring all angles at the center of the ceiling of a room, etc., four module-type monitoring cameras are used.
The surface connecting the top and the two sides sandwiching the right angle part of the bottom face
Set up in a circumferential fashion. As a result, the entire appearance has a substantially quadrangular pyramid shape, and a clean and excellent design is obtained.

In addition, one module type monitoring camera is used for installing a monitoring camera at a corner, and two module type monitoring cameras are used for installing an edge monitoring camera at an edge. By changing the number, it becomes possible to install the surveillance camera at various positions.

When the lengths of the two sides sandwiching the right-angled portion of the bottom surface are not equal, two types of module-type surveillance cameras having a bottom surface in which these two sides are interchanged are prepared and assembled. Surveillance cameras can be arranged at the center, corner, edge, etc. of the ceiling of the room.

[0013] Since the smoke is formed in the window, the internal lens and the image pickup device are hidden, so that it is difficult for a person to recognize that the camera is a surveillance camera.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

In FIG. 1A, a casing 2 of the module type surveillance camera 1 has a rough shape having a right-angled isosceles triangle 2a as a bottom surface and a line 2c extending perpendicularly to the bottom surface from a right-angled portion 2b of the bottom surface. In the shape of a triangular pyramid having a top 2d. The length between the right-angled portion 2b and the top 2d of the bottom surface (the length of the line 2c) is the distance between the right-angled portion 2b and the side facing the right-angled portion 2b (the height of the right-angled isosceles triangle 2a with respect to the hypotenuse). ). Therefore, the top 2d
2f, 2 connecting the right side 2b of the bottom surface 2a to the two sides thereof.
g is a vertical side surface with respect to the bottom surface 2a, and a surface 2h connecting the top portion 2d and a side of the bottom surface 2a opposed to the right angle portion 2b is a plane forming an angle of 45 ° with the bottom surface 2a.

Next, the window 2j is connected to the window 2j shown in FIG.
As shown in (a), (b) and (c), the inclined plane 2h is formed on the side near the top 2d of the triangular pyramid 2 and is detachable. That is, as shown in FIGS. 2 (a) and 2 (c), the window 2j has engagement projections 2k formed at two symmetrical positions on the upper end, and a locking hole 2m formed at the lower end. is there. And
The engaging projection 2k is brought into contact with the inner surface of the non-window portion 2n of the oblique flat surface portion 2h, and a screw is screwed into a screw hole 2p formed in the main body of the housing 2 via the locking hole 2m. The window 2j is mounted on the main body. The window 2j is formed by injection molding of acrylic resin having smoke. Therefore, the window 2
In a state where j is attached to the main body of the housing 2, it is possible to image through the window 2 j by an imaging device 3 inside the housing described later, but the imaging device 3 inside the housing is hidden from the outside of the housing. Is done.

Next, the image pickup device 3 is a small CCD image pickup device 3
a and an optical lens 3b in front thereof are mounted in a single block. The block 3 is rotatably supported by a support cylinder 4 having a rectangular cross section. It is rotatably supported by a support member 5 fixed to the two vertical side surfaces 2f and 2g. The rotation direction of the support cylinder 4 is perpendicular to the rotation direction of the imaging device block 3. Therefore, by rotating these by hand, the CCD image pickup device 3a and the optical lens 3b of the image pickup device block 3 are rotated.
Can be oriented in any direction, as indicated by the arrows in FIGS. 2 (b) and 2 (c).

Next, an electronic circuit board is disposed at a predetermined position in the housing 2 (not shown), and a hole 2q for passing a cable is provided at a predetermined position on the bottom surface 2a. Further, mounting holes 2r for mounting the housing 2 to a ceiling or the like are provided at two positions on the bottom surface 2a.
s is at two positions on each of the vertical side surfaces 2f and 2g,
It is provided.

Next, the operation will be described.

In FIG. 1B, when monitoring all angles from the center of the ceiling of the room, four module type monitoring cameras 1 of the present invention are placed at the center of the ceiling and the window 2j.
, The surveillance cameras 1 are arranged circumferentially, and the vertical side surfaces 2f and 2g of the surveillance cameras are arranged at the center of the ceiling in contact with each other. Therefore, in this state, each case 2 is fixed to the ceiling by passing a screw through the mounting hole 2r of the bottom surface 2a of each case from the inside of the case 2 and fixing the screw to the ceiling. In addition, a cable (not shown) is passed through the hole 2q and is passed through a cable passage or the like provided in the ceiling or the like. Then, the imaging device block 3 is rotated with respect to the support cylinder 4 and the support cylinder 4 is rotated with respect to the support member 5, so that the imaging device block 3 is rotated.
Is directed to a predetermined direction in which imaging is performed. And the window 2j
By engaging the engaging projection 2k with the non-window portion 2n and passing the screw through the locking hole 2m and screwing it into the screw hole 2p,
To the main unit. Then, the cable passed through the cable passage or the like is connected to a camera controller, a camera switcher, a screen division adapter, etc. provided in another room or the like, and further a time lapse VTR, a video monitor, etc. are connected thereto, and the ceiling is connected. The CCTV 7 in which a camera is provided at the center of the above is completed.

Therefore, by arranging the four module type surveillance cameras 1 such that the vertical side surfaces 2f and 2g are in contact with each other, they are gathered naturally and arranged at equal intervals. What is necessary is just to fix to a ceiling, and positioning becomes very easy.

Although the CCTV 7 is an aggregate of four surveillance cameras, the whole appearance after being attached becomes a quadrangular pyramid, which gives a neat appearance and expresses an excellent design. Furthermore, since the window 2j is formed with smoke, the internal image pickup device block 3 is concealed, and it is not obvious that the window 2j is a surveillance camera. Therefore, safety management in a place where a large number of people gather, such as a station. This is effective in the case of the purpose of use which is not intended for human beings, such as the purpose of the user, the purpose of user management in the service industry such as hotels, and the like.

Next, in FIG. 1B, when the surveillance camera is installed at the corner, one module type surveillance camera 1 of the present invention is used, and the vertical side surfaces 2f and 2g are respectively brought into contact with the wall surface. Then, the bottom surface 2a is brought into contact with the ceiling surface, and in this state, the module type monitoring camera 1 is fixed to the corner portion by passing screws through the mounting holes 2r and 2s. Then, after turning the imaging device block 3 in a predetermined direction, the window 2j is closed, and the CCTV 8 installed at the corner is completed.

In FIG. 1B, when the surveillance camera is installed at the edge, two module type surveillance cameras 1 of the present invention are brought into contact with each other on their vertical side surfaces 2f and 2g. And each other vertical plane 2g, 2
In a state where f is in contact with the wall surface and the respective bottom surfaces 2a are in contact with the ceiling surface, screws are passed through the mounting holes 2r and 2s and fixed to the edges. Then, after turning the image pickup device block 3 in a predetermined direction, the window 2j is closed, and C
CTV9 is completed.

In the CCTV 8 and CCTV 9 described above, the CCTV 8 and the CCTV 9 are arranged in contact with the ceiling. However, one module type monitoring camera 1 may be arranged at a position where the wall intersects and is separated from the ceiling. Two surveillance cameras 1 of the module type may be collectively arranged on a wall remote from the camera.

Therefore, by changing the number of sets of the module type surveillance cameras 1, the surveillance cameras can be installed at various positions. In these cases as well, the overall appearance of the surveillance camera 1 is formed by a combination of planes, and thus expresses a neat and excellent design.

In the above embodiment, the bottom surface of the housing 2 is a right-angled isosceles triangle. However, when the lengths of the two sides sandwiching the right-angled portion are not equal, the bottom surface having the two sides replaced with each other is provided.
By preparing various types of module-type surveillance cameras and combining them, the surveillance cameras can be collectively arranged at various positions.

In the above embodiment, the surface connecting the side facing the right-angled portion 2b of the bottom surface 2a of the housing and the top 2d is an oblique plane, but this surface may be a curved surface such as a spherical surface.

Further, in the above embodiment, the image pickup device block 3
Although it was said that the direction was changed by moving by hand, a mechanism to automatically change the direction of the imaging device block was provided, and the direction was changed by remote control while watching the video monitor etc. provided in another room, Monitoring may be performed.

[0030]

The present invention has been configured as described above.
When only one surveillance camera or a plurality of surveillance cameras are assembled, an excellent design with a clean overall appearance is obtained.

Further, it is possible to arrange the surveillance cameras at various positions by changing the number of surveillance cameras as one module as one surveillance camera.

[Brief description of the drawings]

FIG. 1 (a) is a perspective view of the outer contour of a housing of a module type monitoring camera of the present invention, and FIG. 1 (b) shows a state where module cameras of the present invention are assembled and mounted at various positions. FIG.

2 (a) is a view of FIG. 1 (a) as viewed perpendicularly from the oblique plane portion, and FIG. 2 (b) is a view of FIG. 1 (a) from above viewed parallel to the plane direction of the oblique planar portion. FIG. 3 (c) shows A-
FIG. 3 is a sectional view taken along line A.

FIG. 3 shows a conventional surveillance camera installed at the center of the room ceiling, etc.
It is a perspective view of the state where it was assembled and attached in order to monitor all angles.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Module type surveillance camera 2 Housing 2a Bottom surface 2b Right angle portion 2d Top 2h Surface connecting top and bottom sides opposite to right angle portion of housing bottom surface 2j Window 3a Image sensor 3b Lens

Continuation of the front page (56) References JP-A-4-108274 (JP, A) JP-A-4-82490 (JP, A) JP-A 62-42384 (JP, U) JP-A 3-123370 (JP , U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) H04N 5/225-5/247 H04N 7/18

Claims (2)

(57) [Claims] 1. A three-dimensional object having an outer shape having a bottom surface of a substantially right triangle, and three surfaces connecting a top portion on a line extending perpendicularly to the bottom surface from a right angle portion of the bottom surface and a side portion of the bottom surface. A housing having a shape, a window provided on a surface connecting the side facing the right-angled portion of the bottom surface of the housing and the top, and a lens and an image sensor provided inside the housing. A module type surveillance camera characterized by comprising: 2. The module-type surveillance camera according to claim 1, wherein smoke is formed in the window.